diff -ru gorm-1.2.20/GNUmakefile gorm-1.2.20.patched/GNUmakefile
--- gorm-1.2.20/GNUmakefile	2010-05-30 12:55:26.000000000 +0600
+++ gorm-1.2.20.patched/GNUmakefile	2014-12-10 22:21:18.000000000 +0600
@@ -24,6 +24,23 @@
 #   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 
+ifeq ($(GNUSTEP_MAKEFILES),)
+ GNUSTEP_MAKEFILES := $(shell gnustep-config --variable=GNUSTEP_MAKEFILES 2>/dev/null)
+  ifeq ($(GNUSTEP_MAKEFILES),)
+    $(warning )
+    $(warning Unable to obtain GNUSTEP_MAKEFILES setting from gnustep-config!)
+    $(warning Perhaps gnustep-make is not properly installed,)
+    $(warning so gnustep-config is not in your PATH.)
+    $(warning )
+    $(warning Your PATH is currently $(PATH))
+    $(warning )
+  endif
+endif
+
+ifeq ($(GNUSTEP_MAKEFILES),)
+  $(error You need to set GNUSTEP_MAKEFILES before compiling!)
+endif
+
 PACKAGE_NAME = gorm
 export PACKAGE_NAME
 include $(GNUSTEP_MAKEFILES)/common.make